Home / 15,433.16-21,303.18-9,383.48

Finding the Fourth Proportional to 15,433.16, 21,303.18 and 9,383.48

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Solution

The fourth proportional to 15,433.16, 21,303.18 and 9,383.48 is: 12,952.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,433.16 : 21,303.18 = 9,383.48 : x
  2. Step 2: Convert to fraction form
    15,433.16/21,303.18 = 9,383.48/x
  3. Step 3: Cross multiply
    15,433.16x = 21,303.18 × 9,383.48
  4. Step 4: Simplify right side
    15,433.16x = 199,897,963.47
  5. Step 5: Solve for x
    x = 199,897,963.47/15,433.16
  6. Step 6: Final answer
    x = 12,952.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.